根据下面材料,回答第题:We can infer from the first paragraph that _____

根据下面材料,回答第题:We can infer from the first paragraph that _______.(  ) [A] the past

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By "his outdoor cousins" the author means _____A) other expe

By "his outdoor cousins" the author means _____A) other experimentersB) the othe

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